Ground winch skidding in clear and selective felling /
Voronit︠s︡yn, K. I.(Konstantin Ivanovich),author.
Aliabiev, V. I.,author.
Perfilov, M. A.,author.
Great Britain.His Majesty's Stationery Office.
United Nations.
Joint Committee on Forest Working Techniques and Training of Forest Workers (in collaboration with the ILO).
"5(.II.E/Mim.11."